How to use

run

method

in

org.apache.samza.sql.runner.SamzaSqlApplicationRunner

public void runAndWaitForFinish(ExternalContext externalContext) {
 Validate.isTrue(runner instanceof LocalApplicationRunner, "This method can be called only in standalone mode.");
 run(externalContext);
 waitForFinish();
}

public void runAndWaitForFinish() {
 Validate.isTrue(runner instanceof LocalApplicationRunner, "This method can be called only in standalone mode.");
 run();
 waitForFinish();
}

@Override
public NonQueryResult executeNonQuery(ExecutionContext context, List<String> statement) {
 lastErrorMsg = "";
 int execId = execIdSeq.incrementAndGet();
 Map<String, String> staticConfigs = fetchSamzaSqlConfig(execId, context);
 staticConfigs.put(SamzaSqlApplicationConfig.CFG_SQL_STMTS_JSON, JsonUtil.toJson(formatSqlStmts(statement)));
 SamzaSqlApplicationRunner runner;
 try {
  runner = new SamzaSqlApplicationRunner(true, new MapConfig(staticConfigs));
  runner.run(null);
 } catch (SamzaException ex) {
  String msg = "Execution of the query failed with exception ";
  lastErrorMsg = msg + ex.toString();
  LOG.error(msg, ex);
  return new NonQueryResult(execId, false);
 }
 executions.put(execId, runner);
 LOG.debug("Executing sql. Id ", execId);
 return new NonQueryResult(execId, true);
}

@Override
public QueryResult executeQuery(ExecutionContext context, String statement) {
 lastErrorMsg = "";
 outputData.clear();
 int execId = execIdSeq.incrementAndGet();
 Map<String, String> staticConfigs = fetchSamzaSqlConfig(execId, context);
 List<String> sqlStmts = formatSqlStmts(Collections.singletonList(statement));
 staticConfigs.put(SamzaSqlApplicationConfig.CFG_SQL_STMTS_JSON, JsonUtil.toJson(sqlStmts));
 SamzaSqlApplicationRunner runner;
 try {
  runner = new SamzaSqlApplicationRunner(true, new MapConfig(staticConfigs));
  runner.run(null);
 } catch (SamzaException ex) {
  String msg = "Execution failed with exception ";
  lastErrorMsg = msg + ex.toString();
  LOG.error(msg, ex);
  return new QueryResult(execId, null, false);
 }
 executions.put(execId, runner);
 LOG.debug("Executing sql. Id ", execId);
 return new QueryResult(execId, generateResultSchema(new MapConfig(staticConfigs)), true);
}